Relicense; WTFPL allows it

Also, update README

LICENSE.txt

@@ -1,2 +1,2 @@
 GPLv3 (lkloel's version)
-WTFPL for the changes
+MIT for the changes

README.md

@@ -1,26 +1,7 @@
-[Mod] nether-pack [nether-pack]
-
-This is a modified version of lkjoel's nether mod.  
-Look here if you want to see the differences:  
-https://github.com/HybridDog/minetest-nether/compare/lkjoel:master...master  
-Sadly lkjoel's one disappeared…
-
-Thanks a lot to LeMagnesium, crabman77, Ombridride, Gael-de-Sailly, ObaniGemini and other people from server-minetestforfun for working on this mod.
-
-**Depends:** see [depends.txt](https://raw.githubusercontent.com/HybridDog/nether-pack/master/nether/depends.txt)  
-**License:** see [LICENSE.txt](https://raw.githubusercontent.com/HybridDog/nether-pack/master/LICENSE.txt)  
-**Download:** [zip](https://github.com/HybridDog/nether-pack/archive/master.zip), [tar.gz](https://github.com/HybridDog/nether-pack/tarball/master)  
-
-a long time ago this happened  
-![I'm a screenshot!](http://i.imgur.com/pMZYqt9.png)  
-I assume other screenshots could represent this mod in more serious ways
-
-If you got ideas or found bugs, please tell them to me.
-
-[How to install a mod?](http://wiki.minetest.net/Installing_Mods)
+For a description of this Minetest mod, please refer to the forum topic:
+https://forum.minetest.net/viewtopic.php?f=9&t=10265
 
 
-TODO:  
-— find a way to get the perlin noise inside [-1; 1] or use another noise  
-— add something containing items to that buildings  
-— update leaves visual_scale
+TODO:
+* Find a way to get the perlin noise inside [-1; 1] or use another noise
+* Add some node which containing items to the simple pyramid "buildings"

nether/depends.txt

@@ -1,9 +0,0 @@
-default
-creative?
-glow
-riesenpilz
-stairs
-vector_extras
-fence_registration?
-function_delayer?
-watershed?

nether/items.lua

@@ -528,7 +528,7 @@ minetest.register_node("nether:leaves", {
 	description = "Nether Leaves",
 	drawtype = "plantlike",
 	waving = 1,
-	visual_scale = math.sqrt(math.sqrt(2)),
+	visual_scale = math.sqrt(2) + 0.01,
 	tiles = {"nether_leaves.png"},
 	inventory_image = "nether_leaves.png",
 	wield_image = "nether_leaves.png",

nether/mod.conf

@@ -0,0 +1,3 @@
+name = nether
+depends = default,glow,riesenpilz,stairs,vector_extras
+optional_depends = creative,fence_registration,function_delayer,watershed